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| author | David S. Miller <davem@davemloft.net> | 2010-04-03 15:49:14 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-03 15:49:14 -0700 |
| commit | 87e8b821ed8db3dab03d96cd542e29666bf210aa (patch) | |
| tree | 0027060473aafbbb125655ba027319c8a1a665fc /include/linux/range.h | |
| parent | 33cd9dfa3a13e3d8e41aef225a9f98169816723b (diff) | |
| parent | 5e11611a5d22252f3f9c169a3c9377eac0c32033 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/range.h')
| -rw-r--r-- | include/linux/range.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/range.h b/include/linux/range.h new file mode 100644 index 000000000000..bd184a5db791 --- /dev/null +++ b/include/linux/range.h @@ -0,0 +1,30 @@ +#ifndef _LINUX_RANGE_H +#define _LINUX_RANGE_H + +struct range { + u64 start; + u64 end; +}; + +int add_range(struct range *range, int az, int nr_range, + u64 start, u64 end); + + +int add_range_with_merge(struct range *range, int az, int nr_range, + u64 start, u64 end); + +void subtract_range(struct range *range, int az, u64 start, u64 end); + +int clean_sort_range(struct range *range, int az); + +void sort_range(struct range *range, int nr_range); + +#define MAX_RESOURCE ((resource_size_t)~0) +static inline resource_size_t cap_resource(u64 val) +{ + if (val > MAX_RESOURCE) + return MAX_RESOURCE; + + return val; +} +#endif |
